Filter cartridge



FIG. 1 is an isometric view of a filter cartridge of the present invention;

FIG. 2 is a front elevational view of the filter cartridge of FIG. 1;

FIG. 3 is a rear elevational view of the filter cartridge of FIG. 1;

FIG. 4 is a right side elevational view of the filter cartridge of FIG. 1;

FIG. 5 is a left side elevational view of the filter cartridge of FIG. 1;

FIG. 6 is a top plan view of the filter cartridge of FIG. 1; and,

FIG. 7 is a bottom plan view of the filter cartridge of FIG. 1.

The broken lines showing the filter cartridge are included for the purpose of illustrating environmental structure and form no part of the claimed design. 

CLAIM The ornamental design for a filter cartridge, as shown and described. 